Mistral Mistral Medium 3.5 | Moonshot AI Kimi Linear | |
|---|---|---|
| Overview | ||
| Company | Mistral | Moonshot AI |
| Release date | Apr 29 2026 | Oct 2025 |
| Model type | — | — |
| Open source | Yes | Yes |
| Specifications | ||
Parameters | 128B | 48B |
Context window | 256k | — |
| Benchmarks | ||
Coding SWE-Bench VerifiedReal coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better. | 77.6% | — |
| Timeline | ||
| Release gap | Kimi Linear shipped 210 days before Mistral Medium 3.5 | |
Mistral Medium 3.5 and Kimi Linear don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Kimi Linear shipped 210 days before Mistral Medium 3.5, so benchmark comparisons should account for the intervening progress.
Mistral Medium 3.5 has 128B parameters, while Kimi Linear has 48B.
Direct benchmark comparisons are unavailable — Mistral Medium 3.5 and Kimi Linear don't publish scores on any of the same benchmarks.